Noise

Abstract

The mean square noise voltage at the open-circuit terminals of a resistance of R ohms at a temperature of T degrees Kelvin generated in a bandwidth of B hertz is:

$$\overline {{v_n}^2} = 4KTBR,\quad k = 1.38 \times {10^{ - 23}}\;J/K \ldots Boltzmann's\,constant$$

(1)